post-receive hook for node.js app on vps

post-receive

#!/bin/bash
set -eu

PROJECT_REPO="/home/ubuntu/<project-folder-name>/<project-name>/deploy.git"
WORKING_DIR="/home/ubuntu/<project-folder-name>/<project-name>/workingdir"

while read oldrev newrev ref
do
    echo "Ref $ref received. Deploying $newrev ..."
    git --work-tree=${WORKING_DIR} --git-dir=${PROJECT_REPO} checkout -f $newrev
done

#
# NodeJS hook additions
#
NODE_APP_NAME="<project-name>"

cd ${WORKING_DIR}; npm ci --ignore-scripts; npm run migrate:up;

if [[ "$(pm2 id "${NODE_APP_NAME}")" = "[]" ]]; then
    pm2 start npm --name "${NODE_APP_NAME}" -- start
else
    pm2 restart "${NODE_APP_NAME}"
fi